#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>

int main()
{
	int i, j, a[10][10] = {0};
	
	for (i = 0; i < 10; i++)
	{
		a[i][0] = 1;
		a[i][i] = 1;
	}

	for(i=2;i<10;i++)
		for (j = 1; j < i; j++)
		{
			a[i][j] = a[i - 1][j - 1] + a[i - 1][j];
		}

	for (i = 0; i < 10; i++)
	{
		for (j = 0; j <= i; j++)
			printf("%4d", a[i][j]);
		printf("\n");
	}


	return 0;
}